Tarrian's Soulcleaver, Scurry Oak, and Ashnod's Altar

Prerequisites

• Tarrian's Soulcleaver on the battlefield
• Scurry Oak on the battlefield
• Ashnod's Altar on the battlefield
• You have a way to put a +1/+1 counter on Scurry Oak

Steps

1. Put a +1/+1 counter on Scurry Oak
2. Scurry Oak triggers, creating a 1/1 Squirrel creature token
3. Activate Ashnod's Altar by sacrificing the Squirrel, adding
4. When the Squirrel dies, Tarrian's Soulcleaver triggers, putting a +1/+1 counter on Scurry Oak
5. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite +1/+1 counters on Scurry Oak